1.

`(1+cosx)/((x+sinx)^(2))` का समाकलन कीजिये -

Answer» Correct Answer - `(-1)/(x+sin x)`
माना `x+sin x = t " "rArr (1+cosx)dx =dt`
तब `I = int(1)/(r^(2))dt`
तब `I = int(1)/(r^(2))dt`


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